<template>
    <div class="login_container">
      <div class="login_box">
        <div class="avatar_box">
          <img src="../assets/logo.png">
        </div>
        <!-- 登录表单 -->
        <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" class="login_form" label-width="0px">
          <el-form-item prop="username">
            <el-input v-model="loginForm.username" prefix-icon="el-icon-user-solid"></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input v-model="loginForm.password" prefix-icon="el-icon-key" show-password></el-input>
          </el-form-item>
          <el-form-item class="btns">
            <el-button @click="login" type="primary" round>登录</el-button>
            <el-button @click="resetLoginForm" type="info">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur'},
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur'}
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur'},
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur'}
        ]
      }
    }
  },
  methods: {
    resetLoginForm() {
      // console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      this.$refs.loginFormRef.validate(async valid => {
        // console.log(valid);
        if(!valid) return;
        const {data: res} = await this.http.post('login', loginForm);
        // console.log(res)
        if(res.meta.status !== 200) return this.$message.error('登陆失败');
        this.message.success('登陆成功')
        window.sessionStorage.setItem("token", res.data.token);
        this.$router.push("/home");
      });
    }
  }
}
</script>

<style scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #ffffff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
  }

  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
  }

  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }
</style>
